*/
#include <linux/module.h>
+#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>
mod_timer(&timer_data->timer, jiffies + msecs_to_jiffies(delay));
}
-static ssize_t led_delay_on_show(struct class_device *dev, char *buf)
+static ssize_t led_delay_on_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct led_classdev *led_cdev = class_get_devdata(dev);
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct timer_trig_data *timer_data = led_cdev->trigger_data;
sprintf(buf, "%lu\n", timer_data->delay_on);
return strlen(buf) + 1;
}
-static ssize_t led_delay_on_store(struct class_device *dev, const char *buf,
- size_t size)
+static ssize_t led_delay_on_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- struct led_classdev *led_cdev = class_get_devdata(dev);
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct timer_trig_data *timer_data = led_cdev->trigger_data;
int ret = -EINVAL;
char *after;
return ret;
}
-static ssize_t led_delay_off_show(struct class_device *dev, char *buf)
+static ssize_t led_delay_off_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct led_classdev *led_cdev = class_get_devdata(dev);
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct timer_trig_data *timer_data = led_cdev->trigger_data;
sprintf(buf, "%lu\n", timer_data->delay_off);
return strlen(buf) + 1;
}
-static ssize_t led_delay_off_store(struct class_device *dev, const char *buf,
- size_t size)
+static ssize_t led_delay_off_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
{
- struct led_classdev *led_cdev = class_get_devdata(dev);
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct timer_trig_data *timer_data = led_cdev->trigger_data;
int ret = -EINVAL;
char *after;
return ret;
}
-static CLASS_DEVICE_ATTR(delay_on, 0644, led_delay_on_show,
- led_delay_on_store);
-static CLASS_DEVICE_ATTR(delay_off, 0644, led_delay_off_show,
- led_delay_off_store);
+static DEVICE_ATTR(delay_on, 0644, led_delay_on_show, led_delay_on_store);
+static DEVICE_ATTR(delay_off, 0644, led_delay_off_show, led_delay_off_store);
static void timer_trig_activate(struct led_classdev *led_cdev)
{
struct timer_trig_data *timer_data;
+ int rc;
timer_data = kzalloc(sizeof(struct timer_trig_data), GFP_KERNEL);
if (!timer_data)
timer_data->timer.function = led_timer_function;
timer_data->timer.data = (unsigned long) led_cdev;
- class_device_create_file(led_cdev->class_dev,
- &class_device_attr_delay_on);
- class_device_create_file(led_cdev->class_dev,
- &class_device_attr_delay_off);
+ rc = device_create_file(led_cdev->dev, &dev_attr_delay_on);
+ if (rc)
+ goto err_out;
+ rc = device_create_file(led_cdev->dev, &dev_attr_delay_off);
+ if (rc)
+ goto err_out_delayon;
+
+ return;
+
+err_out_delayon:
+ device_remove_file(led_cdev->dev, &dev_attr_delay_on);
+err_out:
+ led_cdev->trigger_data = NULL;
+ kfree(timer_data);
}
static void timer_trig_deactivate(struct led_classdev *led_cdev)
struct timer_trig_data *timer_data = led_cdev->trigger_data;
if (timer_data) {
- class_device_remove_file(led_cdev->class_dev,
- &class_device_attr_delay_on);
- class_device_remove_file(led_cdev->class_dev,
- &class_device_attr_delay_off);
+ device_remove_file(led_cdev->dev, &dev_attr_delay_on);
+ device_remove_file(led_cdev->dev, &dev_attr_delay_off);
del_timer_sync(&timer_data->timer);
kfree(timer_data);
}